9729454937 has 4 divisors (see below), whose sum is σ = 9825786276. Its totient is φ = 9633123600.

The previous prime is 9729454897. The next prime is 9729454949. The reversal of 9729454937 is 7394549279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9606156121 + 123298816 = 98011^2 + 11104^2 .

It is a cyclic number.

It is not a de Polignac number, because 9729454937 - 2¹⁰ = 9729453913 is a prime.

It is a super-2 number, since 2×9729454937² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9729454237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48165518 + ... + 48165719.

It is an arithmetic number, because the mean of its divisors is an integer number (2456446569).

Almost surely, 2^9729454937 is an apocalyptic number.

It is an amenable number.

9729454937 is a deficient number, since it is larger than the sum of its proper divisors (96331339).

9729454937 is a wasteful number, since it uses less digits than its factorization.

9729454937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96331338.

The product of its digits is 17146080, while the sum is 59.

The square root of 9729454937 is about 98637.9994576127. Note that the first 3 decimals coincide. The cubic root of 9729454937 is about 2134.8277379127.

The spelling of 9729454937 in words is "nine billion, seven hundred twenty-nine million, four hundred fifty-four thousand, nine hundred thirty-seven".